3 #if !defined(_PLAN9_SOURCE)
4 This header file is an extension to ANSI/POSIX
9 unsigned long di; /* general registers */
10 unsigned long si; /* ... */
11 unsigned long bp; /* ... */
13 unsigned long bx; /* ... */
14 unsigned long dx; /* ... */
15 unsigned long cx; /* ... */
16 unsigned long ax; /* ... */
17 unsigned long gs; /* data segments */
18 unsigned long fs; /* ... */
19 unsigned long es; /* ... */
20 unsigned long ds; /* ... */
21 unsigned long trap; /* trap type */
22 unsigned long ecode; /* error code (or zero) */
23 unsigned long pc; /* pc */
24 unsigned long cs; /* old context */
25 unsigned long flags; /* old flags */
30 unsigned long ss; /* old stack segment */